{"content_versions":[{"date":"2016-09-01","amendment_date":"2016-09-01","issue_date":"2017-01-03","identifier":"1910.1000","name":"§ 1910.1000   Air contaminants.","part":"1910","substantive":true,"removed":false,"subpart":"Z","title":"29","type":"section"},{"date":"2017-01-09","amendment_date":"2017-01-09","issue_date":"2017-01-09","identifier":"1910.1000","name":"§ 1910.1000   Air contaminants.","part":"1910","substantive":true,"removed":false,"subpart":"Z","title":"29","type":"section"},{"date":"2017-02-01","amendment_date":"2017-02-01","issue_date":"2017-03-03","identifier":"1910.1000","name":"§ 1910.1000   Air contaminants.","part":"1910","substantive":true,"removed":false,"subpart":"Z","title":"29","type":"section"},{"date":"2017-03-21","amendment_date":"2017-03-21","issue_date":"2017-03-21","identifier":"1910.1000","name":"§ 1910.1000   Air contaminants.","part":"1910","substantive":true,"removed":false,"subpart":"Z","title":"29","type":"section"},{"date":"2017-05-30","amendment_date":"2017-05-30","issue_date":"2017-05-30","identifier":"1910.1000","name":"§ 1910.1000   Air contaminants.","part":"1910","substantive":true,"removed":false,"subpart":"Z","title":"29","type":"section"},{"date":"2017-05-30","amendment_date":"2017-05-30","issue_date":"2023-04-03","identifier":"1910.1000","name":"§ 1910.1000   Air contaminants.","part":"1910","substantive":false,"removed":false,"subpart":"Z","title":"29","type":"section"},{"date":"2017-05-30","amendment_date":"2017-05-30","issue_date":"2024-06-04","identifier":"1910.1000","name":"§ 1910.1000   Air contaminants.","part":"1910","substantive":false,"removed":false,"subpart":"Z","title":"29","type":"section"},{"date":"2017-05-30","amendment_date":"2017-05-30","issue_date":"2025-07-31","identifier":"1910.1000","name":"§ 1910.1000   Air contaminants.","part":"1910","substantive":false,"removed":false,"subpart":"Z","title":"29","type":"section"}],"meta":{"title":"29","part":"1910","section":"1910.1000","result_count":"8","latest_amendment_date":"2017-05-30","latest_issue_date":"2025-07-31"}}